@import url("./tokens.css");

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  overflow-x: clip;
}

html {
  scroll-behavior: smooth;
  background: var(--color-paper);
}

body {
  min-width: 20rem;
  background: var(--color-paper);
  color: var(--color-ink-2);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--color-selection);
  color: var(--color-ink);
}

a,
button {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

h1,
h2,
h3,
p,
figure {
  margin: 0;
}

h1,
h2,
h3 {
  min-width: 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-style: normal;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.skip-link {
  position: fixed;
  left: var(--space-4);
  top: var(--space-4);
  z-index: 100;
  padding: var(--space-2) var(--space-4);
  background: var(--color-ink);
  color: var(--color-paper);
  border-radius: var(--radius-sm);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

.site-header {
  position: relative;
  z-index: 10;
  border-bottom: var(--rule-thin) solid var(--color-rule);
  background: var(--color-paper);
}

.nav-shell {
  width: min(100% - 2 * var(--space-6), 90rem);
  min-height: 4.75rem;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.wordmark {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
}

.brand-mark {
  width: 1.75rem;
  height: 1.75rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: end;
  gap: var(--space-1);
  padding: 0.25rem;
  border: var(--rule-thin) solid var(--color-rule-strong);
  border-radius: var(--radius-sm);
}

.brand-mark span {
  display: block;
  background: var(--color-ink);
  border-radius: 0.125rem;
}

.brand-mark span:nth-child(1) {
  height: 42%;
}

.brand-mark span:nth-child(2) {
  height: 88%;
  background: var(--color-accent);
}

.brand-mark span:nth-child(3) {
  height: 62%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.system-state {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-muted);
  font-size: var(--text-sm);
  white-space: nowrap;
}

.system-state span {
  width: 0.5rem;
  height: 0.5rem;
  background: var(--color-success);
  border-radius: 50%;
}

.nav-login {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-inline: var(--space-4);
  border: var(--rule-thin) solid var(--color-rule-strong);
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  font-size: var(--text-sm);
  font-weight: 600;
  white-space: nowrap;
  transition:
    background-color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
}

.nav-login:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-hover);
}

.nav-login:active {
  transform: translateY(1px);
  color: var(--color-accent-active);
}

.hero {
  width: min(100% - 2 * var(--space-6), 90rem);
  min-height: clamp(38rem, 78dvh, 51rem);
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(18rem, 0.78fr) minmax(0, 1.22fr);
  align-items: stretch;
  gap: clamp(var(--space-8), 5vw, var(--space-20));
  padding-block: clamp(var(--space-10), 6vh, var(--space-16)) clamp(var(--space-16), 9vh, var(--space-24));
}

.hero-copy {
  min-width: 0;
  align-self: center;
}

.hero-kicker,
.map-head,
.process-intro > p,
.ledger-heading > p,
.closing > div > p,
.ledger-code {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0;
}

.hero-kicker {
  color: var(--color-accent);
}

.hero h1 {
  margin-top: var(--space-4);
  color: var(--color-ink);
  font-size: min(var(--text-display), 13vw);
  font-weight: 650;
  line-height: 0.9;
  overflow-wrap: anywhere;
}

.hero-slogan {
  max-width: 14ch;
  margin-top: var(--space-8);
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(var(--text-2xl), 3vw, var(--text-3xl));
  font-weight: 620;
  line-height: 1.18;
}

.hero-lede {
  max-width: 60ch;
  margin-top: var(--space-6);
  color: var(--color-muted);
  font-size: var(--text-lg);
  line-height: 1.75;
}

.hero-actions {
  position: relative;
  margin-top: var(--space-8);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}

.button {
  min-height: 2.875rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding-inline: var(--space-5);
  border: var(--rule-thin) solid transparent;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 650;
  line-height: 1;
  letter-spacing: 0;
  white-space: nowrap;
  cursor: pointer;
  transition:
    background-color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
}

.button:active {
  transform: translateY(1px);
}

.button-primary:focus-visible,
.button-light:focus-visible {
  outline-color: var(--color-focus-strong);
}

.button-primary {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.button-primary:hover {
  background: var(--color-accent-hover);
}

.button-primary:active {
  background: var(--color-accent-active);
}

.button-secondary {
  background: var(--color-surface);
  border-color: var(--color-rule-strong);
  color: var(--color-ink);
}

.button-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-hover);
}

.button-secondary.is-success {
  border-color: var(--color-success);
  color: var(--color-ink);
}

.button-secondary.is-error {
  border-color: var(--color-error);
  color: var(--color-error);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.copy-status {
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 0;
  min-height: 1.25rem;
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.distillation-map {
  min-width: 0;
  min-height: 31rem;
  align-self: stretch;
  display: grid;
  grid-template-rows: auto minmax(24rem, 1fr) auto;
  border-block: var(--rule-thin) solid var(--color-rule);
}

.map-head {
  min-height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  color: var(--color-muted);
}

#distillation-canvas {
  width: 100%;
  height: 100%;
  min-height: 24rem;
  display: block;
  touch-action: pan-y;
}

.distillation-map figcaption {
  display: grid;
  grid-template-columns: 1.15fr repeat(3, 1fr) 1.15fr;
  gap: var(--space-2);
  padding-block: var(--space-4);
  border-top: var(--rule-thin) solid var(--color-rule);
  color: var(--color-muted);
  font-size: var(--text-xs);
  text-align: center;
}

.distillation-map figcaption span:first-child {
  text-align: left;
}

.distillation-map figcaption span:last-child {
  text-align: right;
}

.process-band {
  display: grid;
  grid-template-columns: minmax(16rem, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(var(--space-12), 8vw, var(--space-24));
  padding: clamp(var(--space-16), 9vw, var(--space-32)) max(var(--space-6), calc((100vw - 90rem) / 2));
  background: var(--color-graphite);
  color: var(--color-graphite-text);
}

.process-intro > p,
.closing > div > p {
  color: var(--color-graphite-muted);
}

.process-intro h2 {
  max-width: 13ch;
  margin-top: var(--space-5);
  color: var(--color-graphite-text);
  font-size: clamp(var(--text-3xl), 4vw, 3.5rem);
  font-weight: 600;
  line-height: 1.12;
}

.process-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--rule-thin) solid var(--color-graphite-2);
}

.process-list li {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  gap: var(--space-5);
  padding-block: var(--space-6);
  border-bottom: var(--rule-thin) solid var(--color-graphite-2);
}

.process-list li > span {
  color: var(--color-accent-on-dark);
  font-family: var(--font-body);
  font-size: var(--text-sm);
}

.process-list h3 {
  color: var(--color-graphite-text);
  font-size: var(--text-xl);
  font-weight: 600;
}

.process-list p {
  max-width: 65ch;
  margin-top: var(--space-2);
  color: var(--color-graphite-muted);
}

.signal-ledger {
  width: min(100% - 2 * var(--space-6), 90rem);
  margin-inline: auto;
  padding-block: clamp(var(--space-20), 10vw, var(--space-32));
}

.ledger-heading {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-5);
  padding-bottom: var(--space-10);
  border-bottom: var(--rule-thin) solid var(--color-rule-strong);
}

.ledger-heading > p {
  color: var(--color-accent);
}

.ledger-heading h2 {
  max-width: 16ch;
  font-size: clamp(var(--text-3xl), 4.2vw, 4rem);
  font-weight: 600;
  line-height: 1.08;
}

.ledger-rows article {
  display: grid;
  grid-template-columns: minmax(5rem, 0.45fr) minmax(10rem, 0.65fr) minmax(0, 1.4fr);
  gap: var(--space-8);
  align-items: baseline;
  padding-block: var(--space-8);
  border-bottom: var(--rule-thin) solid var(--color-rule);
}

.ledger-code {
  color: var(--color-accent);
}

.ledger-rows h3 {
  font-size: var(--text-xl);
  font-weight: 600;
}

.ledger-rows p {
  max-width: 65ch;
  color: var(--color-muted);
}

.closing {
  width: min(100% - 2 * var(--space-6), 90rem);
  margin: 0 auto var(--space-12);
  display: grid;
  grid-template-columns: minmax(15rem, 0.8fr) minmax(0, 1fr) auto;
  gap: var(--space-10);
  align-items: center;
  padding: clamp(var(--space-8), 5vw, var(--space-16));
  background: var(--color-graphite);
  border-radius: var(--radius-lg);
  color: var(--color-accent-ink);
}

.closing > div > p {
  color: var(--color-accent-ink);
  opacity: 0.72;
}

.closing code {
  display: block;
  margin-top: var(--space-2);
  color: var(--color-accent-ink);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  overflow-wrap: anywhere;
}

.closing h2 {
  color: var(--color-accent-ink);
  font-size: clamp(var(--text-2xl), 3vw, var(--text-3xl));
  font-weight: 600;
  line-height: 1.15;
}

.button-light {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.button-light:hover {
  background: var(--color-accent-hover);
}

.button-light:active {
  background: var(--color-accent-active);
}

.site-footer {
  width: min(100% - 2 * var(--space-6), 90rem);
  min-height: 5.5rem;
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: var(--space-8);
  border-top: var(--rule-thin) solid var(--color-rule);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.site-footer span:first-child {
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
}

@media (max-width: 62rem) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: var(--space-12);
  }

  .hero-copy {
    max-width: 46rem;
  }

  .hero-slogan {
    max-width: none;
  }

  .distillation-map {
    min-height: 31rem;
  }

  .process-band {
    grid-template-columns: 1fr;
  }

  .process-intro h2,
  .ledger-heading h2 {
    max-width: 18ch;
  }

  .closing {
    grid-template-columns: 1fr auto;
  }

  .closing > div {
    grid-column: 1 / -1;
  }
}

@media (max-width: 44rem) {
  .nav-shell {
    width: min(100% - 2 * var(--space-4), 90rem);
  }

  .system-state {
    display: none;
  }

  .hero,
  .signal-ledger,
  .closing,
  .site-footer {
    width: min(100% - 2 * var(--space-4), 90rem);
  }

  .hero {
    padding-block: var(--space-10) var(--space-16);
  }

  .hero h1 {
    font-size: clamp(3.75rem, 23vw, 6rem);
  }

  .hero-slogan {
    font-size: clamp(1.65rem, 8vw, 2.25rem);
  }

  .hero-lede {
    font-size: var(--text-base);
  }

  .hero-actions {
    align-items: stretch;
  }

  .hero-actions .button {
    flex: 1 1 9rem;
  }

  .copy-status {
    position: static;
    flex-basis: 100%;
  }

  .distillation-map {
    min-height: 25rem;
    grid-template-rows: auto minmax(19rem, 1fr) auto;
  }

  #distillation-canvas {
    min-height: 19rem;
  }

  .map-head span:last-child {
    display: none;
  }

  .distillation-map figcaption {
    grid-template-columns: repeat(3, 1fr);
    row-gap: var(--space-3);
  }

  .distillation-map figcaption span:first-child,
  .distillation-map figcaption span:last-child {
    text-align: center;
  }

  .distillation-map figcaption span:nth-child(4),
  .distillation-map figcaption span:nth-child(5) {
    grid-column: span 1;
  }

  .process-band {
    padding: var(--space-16) var(--space-4);
  }

  .process-intro h2,
  .ledger-heading h2 {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .ledger-rows article {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .ledger-rows p {
    margin-top: var(--space-2);
  }

  .closing {
    grid-template-columns: 1fr;
    padding: var(--space-8) var(--space-6);
  }

  .closing > div {
    grid-column: auto;
  }

  .closing .button {
    justify-self: start;
  }

  .site-footer {
    grid-template-columns: 1fr;
    gap: var(--space-2);
    padding-block: var(--space-6);
  }
}

@media (max-width: 23.5rem) {
  .nav-login {
    padding-inline: var(--space-3);
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .button {
    width: 100%;
    flex-basis: auto;
  }

  .distillation-map figcaption {
    grid-template-columns: repeat(2, 1fr);
  }

  .distillation-map figcaption span:last-child {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}